It is accurate and we all know what is meant, but if that line is misused, it can be inferred, wrongly, by those without much firearms knowledge that the military weapon, M16, and the civilian rifle, AR-15, are the same.
The effort should be to insure that there is no ambiguity, even when wrongly inferred, for those not versed in firearms lore because they are where much of the battle will be fought.